19201552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 39684960

約数和(自身を除く): 20483408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 761, 1328, 1522, 1577, 3044, 3154, 6088, 6308, 12176, 12616, 14459, 25232, 28918, 57836, 63163, 115672, 126326, 231344, 252652, 505304, 1010608, 1200097, 2400194, 4800388, 9600776, 19201552]

約数ペア:

[(1, 19201552), (2, 9600776), (4, 4800388), (8, 2400194), (16, 1200097), (19, 1010608), (38, 505304), (76, 252652), (83, 231344), (152, 126326), (166, 115672), (304, 63163), (332, 57836), (664, 28918), (761, 25232), (1328, 14459), (1522, 12616), (1577, 12176), (3044, 6308), (3154, 6088)]